include/hw/i386/x86.h

   1 /*
   2  * Copyright (c) 2019 Red Hat, Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms and conditions of the GNU General Public License,
   6  * version 2 or later, as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  11  * more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along with
  14  * this program.  If not, see <http://www.gnu.org/licenses/>.
  15  */
  16
  17 #ifndef HW_I386_X86_H
  18 #define HW_I386_X86_H
  19
  20 #include "qemu-common.h"
  21 #include "exec/hwaddr.h"
  22 #include "qemu/notify.h"
  23
  24 #include "hw/i386/topology.h"
  25 #include "hw/boards.h"
  26 #include "hw/nmi.h"
  27 #include "hw/isa/isa.h"
  28 #include "hw/i386/ioapic.h"
  29 #include "qom/object.h"
  30
  31 struct X86MachineClass {
  32     /*< private >*/
  33     MachineClass parent;
  34
  35     /*< public >*/
  36
  37     /* TSC rate migration: */
  38     bool save_tsc_khz;
  39     /* Enables contiguous-apic-ID mode */
  40     bool compat_apic_id_mode;
  41 };
  42 typedef struct X86MachineClass X86MachineClass;
  43
  44 struct X86MachineState {
  45     /*< private >*/
  46     MachineState parent;
  47
  48     /*< public >*/
  49
  50     /* Pointers to devices and objects: */
  51     ISADevice *rtc;
  52     FWCfgState *fw_cfg;
  53     qemu_irq *gsi;
  54     GMappedFile *initrd_mapped_file;
  55     HotplugHandler *acpi_dev;
  56
  57     /* RAM information (sizes, addresses, configuration): */
  58     ram_addr_t below_4g_mem_size, above_4g_mem_size;
  59
  60     /* CPU and apic information: */
  61     bool apic_xrupt_override;
  62     unsigned apic_id_limit;
  63     uint16_t boot_cpus;
  64     unsigned smp_dies;
  65
  66     OnOffAuto smm;
  67     OnOffAuto acpi;
  68
  69     /*
  70      * Address space used by IOAPIC device. All IOAPIC interrupts
  71      * will be translated to MSI messages in the address space.
  72      */
  73     AddressSpace *ioapic_as;
  74 };
  75 typedef struct X86MachineState X86MachineState;
  76
  77 #define X86_MACHINE_SMM              "smm"
  78 #define X86_MACHINE_ACPI             "acpi"
  79
  80 #define TYPE_X86_MACHINE   MACHINE_TYPE_NAME("x86")
  81 DECLARE_OBJ_CHECKERS(X86MachineState, X86MachineClass,
  82                      X86_MACHINE, TYPE_X86_MACHINE)
  83
  84 void init_topo_info(X86CPUTopoInfo *topo_info, const X86MachineState *x86ms);
  85
  86 uint32_t x86_cpu_apic_id_from_index(X86MachineState *pcms,
  87                                     unsigned int cpu_index);
  88
  89 void x86_cpu_new(X86MachineState *pcms, int64_t apic_id, Error **errp);
  90 void x86_cpus_init(X86MachineState *pcms, int default_cpu_version);
  91 CpuInstanceProperties x86_cpu_index_to_props(MachineState *ms,
  92                                              unsigned cpu_index);
  93 int64_t x86_get_default_cpu_node_id(const MachineState *ms, int idx);
  94 const CPUArchIdList *x86_possible_cpu_arch_ids(MachineState *ms);
  95
  96 void x86_bios_rom_init(MemoryRegion *rom_memory, bool isapc_ram_fw);
  97
  98 void x86_load_linux(X86MachineState *x86ms,
  99                     FWCfgState *fw_cfg,
 100                     int acpi_data_size,
 101                     bool pvh_enabled,
 102                     bool linuxboot_dma_enabled);
 103
 104 bool x86_machine_is_smm_enabled(const X86MachineState *x86ms);
 105 bool x86_machine_is_acpi_enabled(const X86MachineState *x86ms);
 106
 107 /* Global System Interrupts */
 108
 109 #define GSI_NUM_PINS IOAPIC_NUM_PINS
 110
 111 typedef struct GSIState {
 112     qemu_irq i8259_irq[ISA_NUM_IRQS];
 113     qemu_irq ioapic_irq[IOAPIC_NUM_PINS];
 114 } GSIState;
 115
 116 qemu_irq x86_allocate_cpu_irq(void);
 117 void gsi_handler(void *opaque, int n, int level);
 118 void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name);
 119
 120 /* hpet.c */
 121 extern int no_hpet;
 122
 123 #endif